نتایج جستجو برای: bemisia argentifolii
تعداد نتایج: 1768 فیلتر نتایج به سال:
Gene array technology was applied to tomato as a model system to examine plant physiological response to silverleaf whitefly (SLW), Bemisia argentifolii (a.k.a. Bemisia tabaci biotype B) feeding. Our objective was to study gene expression in tomato plants subjected to a moderate infestation of whitefly. Plants were destructively harvested 25 days after infestation and samples of old and young l...
The sweetpotato whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) continues to be a serious threat to crops worldwide. The UK holds Protected Zone status against this pest and, as a result, B. tabaci entering on plant material is subjected to a policy of eradication. Both B and Q Bemisia biotypes are now regularly intercepted entering the UK. With increasing reports of neonicotinoid ...
The study of population genetics among the Bemisia tabaci complex is limited due to the lack of conserved molecular markers. In this study, 358, 433 and 322 new polynucleotide microsatellites are separately identified from the transcriptome sequences of three cryptic species of the B. tabaci complex. The cross species transferability of 57 microsatellites was then experimentally validated. The ...
Yellow sticky traps are a common method for monitoring many pests, but it has not been shown whether they could be used as a control method. In this study the impact of yellow sticky traps on the population dynamics of the sweetpotato whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) was determined in the greenhouse and field. In the greenhouse, yellow sticky traps significantly sup...
Trialeurodes vaporariorum Bemisia tabaci B. tabaci T. vaporariorum T. vaporariorum B. tabaci T. vaporariorum T. vaporariorum T. vaporariorum B. tabaci
Feeding nymphs of the silverleaf whitefly, Bemisia argentifolii (formerly known as Bemisia tabaci Gennadius, B strain), cause a physiological disorder known as squash silverleaf (SSL) in summer squash (Cucurbita pepo L.). This disorder is characterized by a progressive silvering on the upper leaf surface caused by the development of large air spaces between the palisade mesophyll cells and the ...
Susceptibility of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) to Different Insecticides under Water Hardness Condition and Additives
Plastic UV reßective mulch (metalized mulch) and wheat straw mulch delayed colonizationbyBemisia argentifoliiBellows&Perring and the incidenceof aphid-borneviruses in zucchini squash. No insecticides were used in either mulch treatment. The mulches were compared with a preplant treatment of imidacloprid and an untreated, unmulched control. In 2000, yield ofmarketable fruit in the plastic and st...
Eretmocerus eremicus is the most abundant parasitoid of the Bemisia complex in North America. It can parasitize equally successfully the most common whiteflies in greenhouses, Trialeurodes vaporariorum and the Bemisia complex. The parasitoid is used in Europe for whitefly control, either alone or in combination with releases of Encarsia formosa. Life-cycle and demographic parameters of this par...
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